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US 2023/0414865 A1Published application
Wearable drug delivery device with incorporated filtration
AssigneeInsulet Corporation
InventorsJianhong ZHAO, Soroush KAMRAVA, James CAUSEY, Daniel BARRETT, Craig BRODEUR, Eric DUHAMEL, Ann LIU, Ian MCLAUGHLIN
Life of this patent
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Abstract
A drug delivery device including a reservoir operable to contain a liquid drug, a fluid outlet including an outlet reservoir opening and an outlet fluid channel, wherein the outlet reservoir opening has a volume and is fluidly coupled to the outlet fluid channel, and an outlet filter plug operable to fill the volume of the outlet reservoir opening and collect particulate material as the liquid drug is expelled from the reservoir.
Claims27
A drug delivery device, comprising:
- a reservoir operable to contain a liquid drug;
- a fluid outlet including an outlet reservoir opening and an outlet fluid channel, wherein the outlet reservoir opening has a volume and is fluidly coupled to the outlet fluid channel;
- and
- an outlet filter plug operable to fill the volume of the outlet reservoir opening and collect particulate material as the liquid drug is expelled from the reservoir.
1 more element
A drug delivery device, comprising:
- a reservoir operable to contain a liquid drug;
- a fluid outlet including an outlet reservoir opening and an outlet fluid channel;
- a filtration module having an inlet, a filter and an outlet;
- and
- a needle coupled to the outlet fluid channel and operable to receive the liquid drug when the liquid drug is expelled from the reservoir, wherein:
- the needle has a first segment operable to fluidly couple to the inlet and a second segment operable to couple the outlet of the filtration module, and
- the filter is comprised of a porous material, wherein the porous material is a porous silica material, a porous alumina material, a porous polymeric material, or a combination thereof.
4 more elements
Dependencies are inferred from the claim text.